Excellent Benchmark
This app provides an excellent benchmark. I would like to be able to save results and the date. Please provide an update with the option to remove ads.
Linpack
Published by:
Alexey Solovyov
Description
Linpack Benchmark
The LINPACK Benchmarks are a measure of a system's floating point computing power. They measure how fast a computer solves a dense N by N system of linear equations Ax = b, which is a common task in engineering. The solution is obtained by Gaussian elimination with partial pivoting, with 2/3·N3 + 2·N2 floating point operations. The result is reported in millions of floating point operations per second (MFLOP/s, sometimes simply called FLOPS).
Results.
Mflop/s:
Millions of floating point operations per second. A floating point operation here is a floating point addition or a floating point multiplication with 64 bit operands. For this problem there are 2/3 n^3 + n^2 floating point operations.
Time:
The time in seconds to solve the problem, Ax=b.
Norm Res:
A check is made to show that the computed solution is correct. The test is based on || Ax - b || / ( || A || || x || eps) where eps is described below. The Norm Res should be about O(1) in size. If this quantity is much larger than 1, the solution is probably incorrect.
Precision:
The relative machine precision usually the smallest positive number such that fl( 1.0 - eps ) < 1.0, where fl denotes the computed value and eps is the relative machine precision.
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The LINPACK Benchmarks are a measure of a system's floating point computing power. They measure how fast a computer solves a dense N by N system of linear equations Ax = b, which is a common task in engineering. The solution is obtained by Gaussian elimination with partial pivoting, with 2/3·N3 + 2·N2 floating point operations. The result is reported in millions of floating point operations per second (MFLOP/s, sometimes simply called FLOPS).
Results.
Mflop/s:
Millions of floating point operations per second. A floating point operation here is a floating point addition or a floating point multiplication with 64 bit operands. For this problem there are 2/3 n^3 + n^2 floating point operations.
Time:
The time in seconds to solve the problem, Ax=b.
Norm Res:
A check is made to show that the computed solution is correct. The test is based on || Ax - b || / ( || A || || x || eps) where eps is described below. The Norm Res should be about O(1) in size. If this quantity is much larger than 1, the solution is probably incorrect.
Precision:
The relative machine precision usually the smallest positive number such that fl( 1.0 - eps ) < 1.0, where fl denotes the computed value and eps is the relative machine precision.
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Linpack FAQ
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Is Linpack free?
Yes, Linpack is completely free and it doesn't have any in-app purchases or subscriptions.
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Is Linpack legit?
🤔 The Linpack app's quality is mixed. Some users are satisfied, while others report issues. Consider reading individual reviews for more context.
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How much does Linpack cost?
Linpack is free.
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What is Linpack revenue?
To get estimated revenue of Linpack app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.
User Rating
5 out of 5
5 ratings in United States
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Ratings History
Linpack Reviews
It's a good hand warmer
Take your phone out of the case and set 99999 runs and watch the heat generate
Incorrect results and crashes
A problem size of 4096 reports 170 GFLOPS on an iPhone 5. 8192 causes a crash.
iPhone 5S Score
Over 1500 score with this update.
Nice- exactly what I was looking for
I'm consistently getting 112mflops average. Just wanted to see my CPU speed. I noticed I get higher mflops when using multiples of 8, like 256, 512, 768 etc. So I used all kinds of odd numbers and my A5 is pretty solid for being an A5. I noticed the ads pause during test- this is the way a benchmark app should run.
Awesome app!
This app is a great way to push my A7 chip to its highest performance, I wish there were more apps like this for CPU nerds like me. I have used it on every gen SoC Apple has used, great app to me!
linpack
still get the wrong answers for power of 2 size problems
Idk...
Is the Mflops for 2^n correct? I get (significantly) higher scores on 512 than 500, even higher on 1024 or 2048. It is putting out >2GFlops on my 4S @ 2048.
Great Benchmarking
This application works great. For everyone that's saying that it shows the iPhone 4 as a 3 you should know that the iPhone 4 is technically called : iPhone 3,1
Wrongly detects phone(4 as 3)
IPhone 4 detect as 3
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App Info
- Category
- Utilities
- Publisher
- Alexey Solovyov
- Languages
- English
- Recent release
- 1.5.1 (7 years ago )
- Released on
- Jul 12, 2010 (14 years ago )
- Also available in
- China , United States , Russia , France , United Kingdom , Spain , Argentina , Greece , India , Italy , Japan , South Korea , Mexico , Norway , Philippines , Poland , Saudi Arabia , Singapore , Türkiye , Brazil , Denmark , Bulgaria , Australia , Germany , Azerbaijan , Belarus , Nigeria , New Zealand , Peru , Pakistan , Portugal , Romania , Belgium , Sweden , Thailand , Austria , Taiwan , Ukraine , United Arab Emirates , Vietnam , South Africa , Czechia , Ecuador , Finland , Algeria , Dominican Republic , Hong Kong SAR China , Hungary , Indonesia , Ireland , Israel , Netherlands , Chile , Switzerland , Kuwait , Kazakhstan , Lebanon , Canada , Malaysia , Egypt
- Last Updated
- 1 month ago
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